[KongchangAI]
Unverified92% confidenceDecision RuleTime unknown

维生素A每日安全上限:成人3000μg RAE(约10000 IU),孕妇需严格控制在3000μg以下。长期超过此量可能导致肝损伤和骨密度下降,选购时单粒剂量建议不超过800-1000μg RAE(2500-3000 IU)

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92%
Confidence
Long-term
Relevance
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